OPOWAY 21 LED 395 nM UV Ultra Violet Blacklight Flashlight Long expectancy: 21 uv led flashlight, with 100,000 hours long life Good assistant:Still being annoyed for Scorpions but not be able to find it? This flashlight makes scorpions light up bright green in the night, help you to locate and resolve this issue, and sleep at night with peace of mind Extensive stain detection: Compared to 365nm wavelength, this 21 uv flashlight emits 395 nanometer wavelength, hunting scorpions and minerals much more easily. you can stand upright and shine the flashlight all over the room in seconds. Premium quality: The product is both water and shock resistant Suitable batteries: 3 x AAA Alkaline Batteries (support more than 20 hours) NOT INCLUDED